[Python Edinburgh] Potential Talk: Deep-Dive Into Python Classes

[Ed HAWKINS]

I'd be interested in any Python talk also. Cheers, Ed.

From: edinburgh-bounces+ed.hawkins=st.com at python.org [mailto:edinburgh-bounces+ed.hawkins=st.com at python.org] On Behalf Of Mark Smith
Sent: 11 November 2010 15:58
To: The list for Pythonistas in Edinburgh.; edinburgh-pug at googlegroups.com
Subject: Re: [Python Edinburgh] Potential Talk: Deep-Dive Into Python Classes

Excellent! A countryman ;)

So far I think that's about 5 positive responses so far (one in private). Did I mention there would be beer afterwards? No, *not* free beer.

If we go ahead with this, then I'm thinking early next year, maybe mid-January; too soon, and I won't have time to prepare; too late in the year and everyone will be busy with the run-up to Christmas.

--Mark
On 11 November 2010 15:41, Graeme Urquhart <g.urkhart at gmail.com<mailto:g.urkhart at gmail.com>> wrote:
Hey guys,

All sounds good to me. I'll certainly lend my ears!

Graeme
On 10 November 2010 11:30, Mark Smith <bedmondmark at yahoo.co.uk<mailto:bedmondmark at yahoo.co.uk>> wrote:
(I've copied this conversation back into edinburgh at python.org<mailto:edinburgh at python.org>)

Good list! I'd be especially interested in 'advanced django techniques' and 'automated deployment' and 'what's new in django 1.3'  Fancy coming up for a week?

There's a corollary to the 'if you don't know why you'd need metaclasses then you don't need them', which is "most of the time, when you think you need metaclasses, you don't"

:-)

--Mark
On 10 November 2010 10:35, Dougal Matthews <dougal85 at gmail.com<mailto:dougal85 at gmail.com>> wrote:

Mark,

This certainly sounds good to me. Depending when it happens and if I can come along is another matter.

I've got a few idea's for talks and would be quite interested in giving one too. Topics including;

* advanced django techniques/tips
* automated deployment (fabric, chef, gunicorn, etc)
* redis (or general nosql)
* django internals and contributing back (or Contributing to django - an outsiders view)
* class based views and how they are a game changer (or maybe a more general "whats new in django 1.3")

...and a few others. I've been pondering these with EuroPython in mind.

I don't think there is much need to cover class decorators. Meta-classes are an interesting topic but don't really fit with the others and are rarely needed. If you don't know why you'd need them, then you don't and all that :)

Dougal



On Wednesday, 10 November 2010 at 09:55, Mark Smith wrote:
Hi All,

I've had some ideas floating around in my head for a Python talk to give some time. Would anybody be interested if I was to give a talk called (provisionally) 'A deep-dive into Python classes'?

The kind of things I'm thinking of covering are:

* Understanding class attributes and instance attributes.
* How do methods actually work?
* Where does 'self' come from?
* Interesting tricks once you understand how methods work.
* How do 'classmethod' and 'staticmethod' work?
* The Python descriptor protocol, or 'how does @property work?'

I'm not planning to cover metaclasses or class decorators (although I could...). I'd say the material is somewhere between intermediate and  advanced, although I'd hope that anyone who came with an understanding of object-orientation and the dynamic nature of Python would learn something useful. Most of the stuff above has either given me useful idioms in the past, or caused me problems when I was trying to be clever without a proper understanding of the way object orientation works in Python.

I think it's good if talks are given in pairs, so if anyone else has material for a talk (especially a different kind of talk!), then please do let me know and we can start to talk timescales, etc.

--Mark



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